This is the 6805th most frequent Polish word.
federalna
"Federalna" means "federal" in English, relating to a system of government where power is divided between a central authority and constituent units.
Here, 'federalna' refers to the type of governmental structure, specifically a federation.
Polska posiada strukturę państwową, która nie jest federalna, lecz unitarną.
Poland has a state structure that is not federal, but unitary.
In this sentence, 'Federalny' (related form derived from 'federalna') is used as an adjective describing the jurisdiction scope of the court in the USA.
Sąd Federalny w USA rozpatruje sprawy związane z konstytucją tego kraju.
The Federal Court in the USA handles cases related to the country's constitution.
The context here highlights an organizational structure governed at the federal level, shared among member states or entities.